public class Test {
    public static void main(String[] args) {
        int a = 10;
        //System.out.println(3 < a < 20);
        boolean ret = a > 5 || 10 / 0 == 0;
        System.out.println(ret);
    }
    public static void main10(String[] args) {
        int a = 10;
        int b = 10;
        //System.out.println(a == b);
        Integer c = 1000;
        Integer d = 1000;
        System.out.println(c.equals(d));
    }
    public static void main9(String[] args) {
        int a = 3;
        int b = 2;
        System.out.println(a/b);
        // System.out.println(5 / 0);
        System.out.println(1 + 0.2);
    }
    public static void main8(String[] args) {
        String a = "aaa";
        String b = "bbb";
        System.out.println(a + b);
    }
    public static void main7(String[] args) {
        boolean a = true;
//        if (1){
//
//        }
        // System.out.println(a + 1);
        System.out.println(a);
    }
    public static void main6(String[] args) {
        // ASCII 码 --> Unicode 2 字节 --> gdk --
        char a = 'a';
        System.out.println(a);
        Character b = 'b';
        System.out.println(b);
    }
    public static void main5(String[] args) {
        float a = 1.1f;
        System.out.println(a * a);
    }
    public static void main4(String[] args) {
//        double a = 1;
//        double b = 2;
//        double c = a / b;
//        System.out.println(c);
        double a = 1.1;
        System.out.println(a * a);
    }
    public static void main3(String[] args) {
        long a = 10L;
        System.out.println(Long.MAX_VALUE);
    }
    public static void main2(String[] args) {
        short a = 5;
        System.out.println(a);
        Short b = Short.MAX_VALUE;
        System.out.println(b);
    }
    public static void main1(String[] args) {
        int a = 10;
        Integer b = 10;
//        System.out.println(a);
//        System.out.println(b);
        //  -2^32 ~ 2^32 -1
//        System.out.println(Integer.MAX_VALUE);
//        System.out.println(Integer.MIN_VALUE);
        //int c = Integer.MAX_VALUE +1;
        //int c =21000000000000000000;
       // System.out.println(c);
    }
}